Camera movement for chasing a subject with unknown behavior based on real-time viewpoint goodness evaluation

Maya Ozaki, Like Gobeawan, Shinya Kitaoka, Hirofumi Hamazaki, Yoshifumi Kitamura, Robert W. Lindeman

研究成果: Article査読

5 被引用数 (Scopus)

抄録

We propose a method that automatically generates a smooth chase camera movement to follow a subject, a user-controlled character or a character with unknown behaviors, in a 3D environment freely in real time. We consider three objectives in generating the smooth-camera movement: to avoid collisions with obstacles, to avoid subject occlusions, and to choose a good viewpoint for looking at the subject. We evaluate the goodness of viewpoints by using a viewpoint entropy map and choose the best viewpoint as the goal position of the camera in real time. Afterwards, we move the camera toward the goal position by following the shortest path, found by the A* algorithm, on a roadmap graph. The resulting camera movement has a high degree of freedom and fulfills the three objectives above. Our method is effective for third-person-view 3D applications in tracking the real-time movement of user-controlled characters in exploring a 3D environment.

本文言語English
ページ(範囲)629-638
ページ数10
ジャーナルVisual Computer
26
6-8
DOI
出版ステータスPublished - 2010 6月 1

ASJC Scopus subject areas

  • ソフトウェア
  • コンピュータ ビジョンおよびパターン認識
  • コンピュータ グラフィックスおよびコンピュータ支援設計

フィンガープリント

「Camera movement for chasing a subject with unknown behavior based on real-time viewpoint goodness evaluation」の研究トピックを掘り下げます。これらがまとまってユニークなフィンガープリントを構成します。

引用スタイル